Rupert McKay's Blog

Rupert McKay's Blog

Follow

Follow

Blog Author

14 posts

Sponsor & Support

Rupert McKay's team blog

Hi I'm Rupert,

I don't need sponsoring. Instead of spending money on me, why not spend it on a tech union membership? Most historical positive social changes were brought about by workers unions.

Take care,

Rupert

Recent articles

Asynchronous Programming in TypeScript

May 16, 2022 Key takeaways: Promises can run code after some other code has completed async/await is just syntactic sugar Promise.all is great for parallel tasks What is a Promise? A promise is some task that we can use to chain together later tasks. For exampl...

What is Memoization?

Feb 28, 2022 Imagine I asked you to calculate 23 times 47. And let's imagine you don't have a calculator or your phone on you, so you have to do it the hard way using just a pencil and paper. Your working might look something like this: 23 * 47 = 20 * 47 + 3 * 4...

Sorting in JavaScript

Jan 17, 2022 JavaScript arrays have a builtin sort method, which mostly does what you expect: [1, 4, 2, 3].sort(); // [1, 2, 3, 4] ["d", "a", "b", "c"].sort(); // ['a', 'b', 'c', 'd'] But it has some quirks. For examples numbers are sorting as though they were s...

What is a number?

Jan 3, 2022 TL;DR: No datatype will ever be able to represent all numeric values perfectly Rounding errors will always exist JavaScript uses floating-point numbers which are sufficient for many use cases If this is not sufficient for your use case... JavaScript...

Recent Sponsors

Steve

Steve

2 years ago

Steve

Steve

3 years ago

Steve

Steve

3 years ago

Richard Heller

Richard Heller

3 years ago